Wiktionary
brushless
a. Not using brushes, of a motor that does not use physical contacts for the commutator.
Usage examples of "brushless".
In the bathroom he carefully read the direction for using brushless shaving cream.
I carried it into the bathroom, took out a razor and a tube of brushless shaving cream, and hoped the blade would still cut whiskers.
The last dozen feet they had to move into the edge of the swamp to find cover at a brushless area next to the road.